Question of slavery.
Communication from the government of the Sudan ...

APA Citation

League of Nations. (1927). Question of slavery: Communication from the government of the Sudan ... [Geneva]: Imp. d'Ambilly.

MLA Citation

League of Nations. Question of Slavery: Communication From the Government of the Sudan ... [Geneva]: Imp. d'Ambilly, 1927.

Warning: These citations may not always be complete (especially for serials).